/Engine/Source/Runtime/Engine/Classes/Engine/LocalPlayer.h
Helper function for deriving various bits of data needed for projection
False if there is no viewport, or if the Actor is null
virtual bool GetProjectionData ( [FViewport](API\Runtime\Engine\FViewport) * Viewport, [FSceneViewProjectionData](API\Runtime\Engine\FSceneViewProjectionData) & ProjectionData, int32 StereoViewIndex ) const